/*
- * This file is part of FFmpeg.
- * copyright (C) 2009 Stefano Sabatini
+ * Copyright (c) 2009 Stefano Sabatini
*
- * FFmpeg is free software; you can redistribute it and/or
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* pixdesc test filter
*/
+#include "libavutil/common.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
+#include "internal.h"
+#include "video.h"
typedef struct {
const AVPixFmtDescriptor *pix_desc;
return 0;
}
-static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
+static int start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
{
PixdescTestContext *priv = inlink->dst->priv;
AVFilterLink *outlink = inlink->dst->outputs[0];
- AVFilterBufferRef *outpicref;
- int i;
+ AVFilterBufferRef *outpicref, *for_next_filter;
+ int i, ret = 0;
+
+ outpicref = ff_get_video_buffer(outlink, AV_PERM_WRITE,
+ outlink->w, outlink->h);
+ if (!outpicref)
+ return AVERROR(ENOMEM);
- outlink->outpic = avfilter_get_video_buffer(outlink, AV_PERM_WRITE,
- outlink->w, outlink->h);
- outpicref = outlink->outpic;
avfilter_copy_buffer_ref_props(outpicref, picref);
for (i = 0; i < 4; i++) {
}
/* copy palette */
- if (priv->pix_desc->flags & PIX_FMT_PAL)
+ if (priv->pix_desc->flags & PIX_FMT_PAL ||
+ priv->pix_desc->flags & PIX_FMT_PSEUDOPAL)
memcpy(outpicref->data[1], outpicref->data[1], 256*4);
- avfilter_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
+ for_next_filter = avfilter_ref_buffer(outpicref, ~0);
+ if (for_next_filter)
+ ret = ff_start_frame(outlink, for_next_filter);
+ else
+ ret = AVERROR(ENOMEM);
+
+ if (ret < 0) {
+ avfilter_unref_bufferp(&outpicref);
+ return ret;
+ }
+
+ outlink->out_buf = outpicref;
+ return 0;
}
-static void draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
+static int draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
{
PixdescTestContext *priv = inlink->dst->priv;
- AVFilterBufferRef *inpic = inlink->cur_pic;
- AVFilterBufferRef *outpic = inlink->dst->outputs[0]->outpic;
+ AVFilterBufferRef *inpic = inlink->cur_buf;
+ AVFilterBufferRef *outpic = inlink->dst->outputs[0]->out_buf;
int i, c, w = inlink->w;
for (c = 0; c < priv->pix_desc->nb_components; c++) {
}
}
- avfilter_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
+ return ff_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
}
AVFilter avfilter_vf_pixdesctest = {
.name = "pixdesctest",
- .description = "Test pixel format definitions.",
+ .description = NULL_IF_CONFIG_SMALL("Test pixel format definitions."),
.priv_size = sizeof(PixdescTestContext),
.uninit = uninit,
- .inputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .start_frame = start_frame,
- .draw_slice = draw_slice,
- .config_props = config_props,
- .min_perms = AV_PERM_READ, },
- { .name = NULL}},
-
- .outputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO, },
- { .name = NULL}},
+ .inputs = (const AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .start_frame = start_frame,
+ .draw_slice = draw_slice,
+ .config_props = config_props,
+ .min_perms = AV_PERM_READ, },
+ { .name = NULL}},
+
+ .outputs = (const AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO, },
+ { .name = NULL}},
};